Nonskid device



' I 1,569,687 12 1926' J. w. URIE NON SKID DEVICE Filed Sept. 17, 1925 2Sheets-Sheet 1 Jan. 12 1926.

J. w, URIE NONSIID DEVICE Filed Sept. 17. 1925 2 shoots-Sheet 2 PatentedJ an. 12, 1926.

I f i j '1 ,569,687

UNITED STATE-i PA ENT E F C -I JAMES W. time, 'OFC1AR-'S0N'GITY,'iirrcmenn, Essie y iron on ONE-"1mm To JAMES o.

GOOLTHRITE, F cansen crrY, trier-EGAN.

,Nonsmn nsvion.

jn iiic tiuh fil-erl September 1?, 1m Serial-Nb; 56,880. i

T aZZwhomit'may jconcem."

' Be it no siii- 1, JAMES Use, a citizen or the United Stated-residingat 'Carison City, in the county of :Montcalm and State of Michigan, havefinvented certain new and useful Imprpvements in N onskid Devices, "ofWhich the following -1s a-s'pec ficatlon.

This

may creep-to a limitedeziteiit res oect to the tire so that undue :wearat any certain .points or areas Will be avoided.

Yet another object 'istoprovide: adefvice of this character in Which thelndivldual non-skid elements or members are of movably connectedsections wherehy they may accommodat themselves to the bulg ng of thetire Walls during travel while remaining ordinarily in With's'uificmnt'snngness to prevent ohjectionahle loosenes's and rattling. lj v A still-more specific object isto provlde a non-skid elementcarrying calk's arranged longitudinally of the tire, the elements leeing connected by transverse so formed and mounted as to provi 'eapivotaljconnect-ion for the element's so that the necessary movement orplay may be had.

An 'addi H to provide a non-skid device ofth s charac: ter which Will hesimple in'eapens ve in manufacture, easy to install 'ppslt ve n ac}tiom'eflicient and durable service, and a general improvement in the artWith the above and otherohpcts advantages in view, the inventionconsists in invent-ion relates n) non-"skid devices for nse'on thewheelsof motor veh cles such 7 as automobiles trucks and the like andhas relationand flexibly, connected yvhefrehy they tional object oi theinvention is lengths the elements 11 are longitudinally 100 the detailsof construction and arrangement ofipa rts to he hereinafter more fullyde-- scribed and claimed, and illustrated "in the accompanying drawingsin Which:

figure 1 is a sideelevation of a portion 'in applied position. 5 v a; Fgure 2 "s a perspective viewof one of the non-skid member's removed; IFigure 3jis a detail cross sectionaon the line 33 o f Figure-2, V

or memes ivheel and tire with the "device edge elevation Figure 5 is aView similar to Figure l-fbut uree is a crosssectional View through v tht re and r1m,sh o ving"an of one of IhGllOIl-Skld membersin normalposition,

showing the pivotalaction of thesection's or 5 elements of'the non slzidmembers When-the tire flattens out upon-engagement with the lll 9 3. theii fi m m el n s Figure 6 is detail perspective view shoyvlngnne end ofone ofthe elements v transverse "which also} constitutes the pivotal connect on for the sections o'r; ele- HIGH-ES, one end of this calk beingdeflected or distorted to show the structure Figure 7.'is a detailperspectiveyiew of the more cearly. s

Referring more particularly ,to the drawngs the letter A designates a'pemon of a vehicle Wheel which may be of the disk 01' spoh e type andwhich includes a fell-y B carry ng a rim C on Which is moimted the tireI which is here represented as ofthe pneumatic typ set which could he ofthe cushion-type. The rim and tire arerepresente'das of the clinchertype though this? is likewise an immaterial feature inasmuch as. my[device is capable or 'use upon any and all styles. I x r In carr ingout the invention 1 provide a plurality of ii'on slrid members arrangedin spaced relation throughout the circun1-' ference of the tire andfleXibly connect-ed. These non-skid members are" designated broadly thenumeral 10 and each includes a offeiements-br sectionsll which,areidntical in construction; Throughout their curved so as to conformsubstantially to ,the

i one end each element or section 11 is widened number of members 10.

lead into holes 16.

as indicated at 12 to provide a tread engaging portion, the other endterminating in an eye 13. The tread engaging portions 12 carry calks 14:which are represented as wedge shaped in cross section and which may beformed integrally upon or secured to the tread engaging portion 12 inany clesired manner. These calks extend transversely of the elements orsections 11 but circumferentially or. longitudinally with respect to thetire upon which the device is used.

In order that the sectionsor elements 11 may have a movement withrespect to each other to permit or to accommodate themselves toflattening out of the tire or bulging of the side walls thereof asoccurs where the tire rolls upon the ground or other surface, I provideor form the end portions of the tread engaging areas 12 of the sec tionsor elements with recesses 15 which extend inwardly from the end andwhich The sections or elements of each pair are pivotally connected by acalk 17 which has its ends formed with shanks or arms 18 extendingthrough the holes 16 and clinched to lie within the recesses or grooves15 as clearly indicated in Figure 5. Figure 7 vshows the detailed construction of these calks and in this figure one arm member or shank issomewhat deflected out of its normal. position to illustrate theconstruction more clearly. It will be observed that the calks 17 aretriangular or wedge'shaped in cross section and that they extendtransversely with respect to the tire and between the longitudinal calks14:. The shanks 18 are preferably cylindrical in shape while the endportions thereof which are upset or clinched, which portions aredesignated by the numeral 19, are preferably semicylindrical in crosssection so that when they lie within the grooves or recesses 15 thesurfaces thereof will be flush with the tire engaging surfaces of thetread portions 12 of the sections or elements 11. This flushness is ofimportance inasmuch as there will be no danger of chafing the tire.

For effecting connection of the successive members '10 and for mountingthe entire de vice upon the tire, I provide a plurality of elongatedlinks 20, the number preferably, though not necessarily, correspondingto the These links are elongated and are engaged through the eyes 13 ofthe sections or elements 11, the adjacent ends of the links beinghooked, as shown at 21 and inter-engaged. ()bviously any connector maybe interposed in the two side chains defined by these connected linksbut such a device is not illustrated as any may be used and as it formsno part of the pres ent invention.

It is quite clear that any desired number of the members 10 may be usedand that the size and weight thereof may be varied depending upon thenature of the vehicle on which the non-skid device is used. The completeassembled device is engaged upon the tire in an obvious manner andshould be so held as to have a slight looseness so that it may creepupon the tire to avoid the bringing of continual wear upon any points orareas. The peculiar connection of the transverse calks 17 with theelements or sections 11 enables these calks to constitute the piv otalconnection therefor and it is obvious that owing to this pivotalconnection the sections or elements llmay swing outwardly and inwardlywith respect to each other to accommodate themselves to the bulging ofthe side walls of the tire during travel so that the tire will not becramped or bound and consequently chafed. Logically, the lon gitudinalcalks l4 prevent. side slipping or skidding and thetransverse calks 17insure traction and prevent idle spinningof the wheel when the vehicleis driven over wet, muddy or otherwise soft and slippery places.

From the foregoing description and a study of the drawingsit will beapparent that I have thus provided a simply constructed, inexpensive andeasilyapplied device for the purpose specified which will be a greatsafeguard in the various respects pointed out. It is believed that theconstruction, operation and advantages will be readily apparent to oneskilled in the art without further explanation.

While I have shown and described a preferred embodiment of theinvention, it should be understood that I reserve the right to make suchchanges in the form, construction and arrangement of parts as will notdepart from the spirit of the invention or the scope of the subjoinedclaims.

Having thus described the invention, I claim:

1. A non-skid device for vehicle tires, comprising a plurality offlexibly connected nonskid members disposable upon a tire in em bracingrelation thereto, each of said members including a pair of sections, andcalks arranged transversely of the members and providing the pivotalconnecting means for the sections thereof.

2. A non-skid device for vehicle tires, comprising a plurality ofnon-skid members disposable upon a tire in embracing relation thereto,means connecting said members, each of said members including a pair ofsimilar sections, and a calk for each member movably connected with thesections thereof for permitting pivotal movement of the sections.

3. In a non-skid device for vehicle tires, a plurality of non-skidmembers disposable transversely upon a tire in embracing relationthereto, each of said nieinbersincluding necting said tread engagingportions c0m-' risin transverse calks havin an ular b b shanks at theirends, said tread engaging portions 01: the elements being formed withholes and recesses leading therefrom to the ends and conforminglyreceiving said angn- 10 l ar shanks. 1

In testimony whereof I affix my signature JAMES W. R E.

